Яремійчук, Р. С. (2019). ENGINEERING CONTRIBUTION TO TECHNOLOGY OF BORING DRILLING OF MINING HOLES ON PRICARPATTI AFTER 1939. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, (1(5), 177–212. Retrieved from https://pvntsh.nung.edu.ua/index.php/number/article/view/321